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LD Systems HPA4 Headphone Amplifier 4 Channel


or 4x fortnight payments of $16.00 AUD with More info


The LDHPA4 has small dimensions, can handle up to 4 headphones and has an output power with no equal in its class. That means high volume with no distortion. With these features the LDHPA4 is an essential tool for every project- and home studio.



  • Compact 4-channel headphone amplifier
  • 4x 100mW output power
  • Distortion free audio
  • Individual gain control
  • Stereo / Mono switchable
  • Robust steel plate housing


Product number: LDHPA4
Product type: Headphone Amp:
Inputs: 2
Input connectors: 6.3 mm TRS, RCA
Input impedance: 1 kOhm(s)
Outputs: 2
Output connectors: 6.3 mm Jack
Power output: 4 x 100mW
Minimum connected impedance: 10Ohm(s)
Frequency response: 20 – 20,000Hz
Controls: Mono/stereo switch, 4 x headphone volume
Indicators: Power
Operating voltage: External Power Supply, 24 V DC
Cabinet material: metal
Cabinet surface: painted
Width: 94mm
Height: 48mm
Depth: 82mm
Weight: 0.27kg
Accessories (included): power supply